This privacy policy applies to the mobile application Lock & Private: App Locker and all associated services operated by Fast Know, which are collectively referred to as the Application throughout this document. Fast Know is hereinafter designated as the Service Provider.
The Application gathers user data when you download, install and use this mobile app. The collected information includes the following categories:
Internet Protocol (IP) address of your mobile device
In-app pages you visit, exact visiting date and time, as well as the browsing duration spent on each page
Total usage duration of the mobile Application
Mobile operating system running on your device
This Application and its embedded third-party SDKs may use cookies, software development kits, tracking pixels and other similar tracking tools to support basic app functions, user data analysis and normal service operation. The Service Provider will obtain your prior consent before enabling non-essential tracking technologies if required by local applicable laws.
You have the right to request access to, revision of, or permanent deletion of your personal data stored by the Service Provider. To exercise these rights, or revoke your consent for data processing that relies on user authorization, please contact the Service Provider via email: tchenpiccone6a353@gmail.com.
If you are a resident of California, you hold four core privacy rights stipulated by law: the right to know collected personal information, the right to erase your personal data, the right to opt out of personal data sale and third-party sharing, and the right to receive equal service without discrimination after exercising your privacy rights. Please reach out to the Service Provider at tchenpiccone6a353@gmail.com to exercise your rights under CCPA and CPRA regulations.
The Service Provider may use your submitted personal information to send critical service updates, mandatory official notices, and marketing messages within the scope permitted by relevant laws.
To optimize your overall user experience during app usage, the Service Provider may request you to provide specific personally identifiable information, including but not limited to the contact mailbox tchenpiccone6a353@gmail.com. All information collected will be stored and used strictly in accordance with the terms stated in this privacy policy.
Only aggregated and anonymized statistical data will be transmitted to external service platforms on a regular basis, helping the Service Provider optimize the Application’s performance and overall service quality. The Service Provider may share your personal information with third-party partners in compliance with the provisions listed in this privacy statement.
The Service Provider and its authorized third-party service vendors may transfer your personal data to countries outside your residential region, including territories beyond the European Economic Area (EEA). When local laws require protective measures for cross-border data transmission, the Service Provider will adopt the following compliant solutions:
Standard Contractual Clauses (SCCs) officially approved by the European Commission
Official adequacy decisions and other legally recognized cross-border data transfer mechanisms
Your explicit consent when legally required and permissible
Data protection legislations vary across different countries and jurisdictions. The Service Provider will implement adequate data protection safeguards and acquire all necessary user consent before conducting cross-border data transfers as required by applicable laws.
Please note that this Application integrates third-party services with independent privacy policies for user data processing. The privacy policy link of the third-party service adopted by this app is shown below:
The Service Provider is entitled to disclose user manually submitted data and automatically collected device information under the following circumstances:
When meeting mandatory legal requirements, such as complying with court subpoenas and other formal judicial procedures
When the Service Provider reasonably confirms information disclosure is necessary to protect its legitimate rights, safeguard your personal safety or the safety of other users, investigate fraud activities, or respond to official government inquiries
When sharing data with trusted service providers acting on behalf of the Service Provider. These partners shall not independently use the disclosed user data and must abide by all clauses specified in this privacy policy.
You can terminate all subsequent data collection activities of this Application by uninstalling the app from your mobile device. Uninstallation will stop ongoing data collection from your device, yet it cannot automatically delete user data that has already been transmitted to the Service Provider and third-party servers.
To apply for personal data deletion, withdraw authorized consent, or exercise any other privacy rights, please contact the Service Provider at tchenpiccone6a353@gmail.com.
The Service Provider retains user personal data reasonably based on actual service demands and legal compliance obligations:
User-provided data: Retained throughout your usage period of the Application, plus an additional 12 months after you stop using the app, unless longer retention is required by applicable laws
Automatically collected data: Stored for a maximum period of 24 months after collection, except extended retention mandated for legal compliance purposes
Aggregated and anonymized data: Permanently retained, as such data can no longer identify individual users
Data reserved for legal compliance: Retained for the full duration required by local applicable laws
You may submit a request to delete your personal data, subject to mandatory legal data retention requirements. If you need the Service Provider to erase the personal data you submitted via the Application, please send an email to tchenpiccone6a353@gmail.com. Please note that certain user data is indispensable to ensure the normal operation of the Application.
This Application is not developed for users under the age of 16, or any higher age threshold stipulated by local applicable laws. The Service Provider will not intentionally collect personal data from minors or carry out targeted marketing promotion for underage users.
If parental or legal guardian consent is required by local laws for minor users to use this service, minors are not allowed to use the Application without valid authorization. The Service Provider will never knowingly collect personally identifiable information from users under 16 in violation of relevant laws. Once we detect personal information submitted by minors, we will delete all relevant records from our servers immediately. If you are a parent or legal guardian and notice your child has provided personal data to us, please contact the Service Provider via tchenpiccone6a353@gmail.com for prompt follow-up handling.
The Service Provider prioritizes protecting the confidentiality and security of your personal information. We deploy comprehensive physical protection measures, electronic encryption systems and standardized procedural safeguards to secure all user data we process and store.
In case of a personal data breach incident affecting your user information, the Service Provider will issue official notifications in accordance with local legal requirements, including detailed information about the breach incident and targeted remedial measures being implemented.
The Service Provider reserves the right to update this privacy policy irregularly. We will inform users of major policy revisions by publishing updated versions with a clear effective date. Where required by applicable laws, we will obtain your prior consent before major revisions take effect.
All historical versions of this privacy policy will be properly archived. You can obtain previous policy versions by contacting the Service Provider via the reserved email address.
Effective Date: May 27, 2026
For data processing activities relying on user consent, your active confirmation of relevant in-app functions will constitute valid authorization. You may withdraw your consent at any time, and such revocation will not invalidate data processing operations completed before consent withdrawal. All data processing based on other legal grounds will follow corresponding clauses in this document.
If you have any questions about this privacy policy or our internal data processing practices during app usage, please contact the Service Provider via email: tchenpiccone6a353@gmail.com.